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General (Details) $ in Thousands | 6 Months Ended |  |
--- | --- | --- | ---
Jun. 29, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jan. 01, 2019 USD ($) | Jun. 09, 2015 EUR (€)
Debt Instrument [Line Items] |  |  |  |
Right of use operating lease assets | $ 343,716 |  |  |
Operating lease liability | $ 350,189 |  |  |
2.00% Senior Notes due January 14, 2022 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Aggregate principal amount of debts | € |  |  |  | € 500,000,000
Interest rate percentage | 2.00% |  |  | 2.00%
Change in debt value | $ 3,578 | $ 15,984 |  |
Change in debt value, net of taxes | $ 2,718 | $ 11,288 |  |
Accounting Standards Update 2016-02 |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Right of use operating lease assets |  |  | $ 328,169 |
Operating lease liability |  |  | $ 332,286 |

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